245013487 has 2 divisors, whose sum is σ = 245013488. Its totient is φ = 245013486.

The previous prime is 245013481. The next prime is 245013497. The reversal of 245013487 is 784310542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245013487 - 2⁷ = 245013359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245013481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122506743 + 122506744.

It is an arithmetic number, because the mean of its divisors is an integer number (122506744).

Almost surely, 2^245013487 is an apocalyptic number.

245013487 is a deficient number, since it is larger than the sum of its proper divisors (1).

245013487 is an equidigital number, since it uses as much as digits as its factorization.

245013487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 245013487 is about 15652.9066629812. The cubic root of 245013487 is about 625.7439563350.

The spelling of 245013487 in words is "two hundred forty-five million, thirteen thousand, four hundred eighty-seven".